Submission #882983

# Submission time Handle Problem Language Result Execution time Memory
882983 2023-12-04T10:40:28 Z MilosMilutinovic Wild Boar (JOI18_wild_boar) C++14
62 / 100
18000 ms 1001880 KB
#include <bits/stdc++.h>
 
using namespace std;
 
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m, t, l;
  cin >> n >> m >> t >> l;
  vector<vector<pair<int, int>>> g(n);
  for (int i = 0; i < m; i++) {
    int x, y, z;
    cin >> x >> y >> z;
    --x; --y;
    g[x].emplace_back(y, z);
    g[y].emplace_back(x, z);
  }
  vector<int> seq(l);
  for (int i = 0; i < l; i++) {
    cin >> seq[i];
    --seq[i];
  }
  vector<int> deg(n);
  for (int i = 0; i < n; i++) {
    deg[i] = (int) g[i].size();
  }
  vector<vector<int>> idx(n, vector<int>(n));
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < deg[i]; j++) {
      idx[i][g[i][j].first] = j;
    }
  }
  const long long inf = (long long) 1e18;
  vector<vector<vector<vector<long long>>>> dist(n, vector<vector<vector<long long>>>(n));
  for (int i = 0; i < n; i++) {
    for (int j = i + 1; j < n; j++) {
      if (i == j) {
        continue;
      }
      dist[i][j].resize(deg[i]);
      for (int k = 0; k < deg[i]; k++) {
        dist[i][j][k] = vector<long long>(deg[j], inf);
      }
    }
  }
  vector<vector<long long>> d(n);
  for (int i = 0; i < n; i++) {
    d[i].resize(deg[i]);
  }
  vector<int> ia(n), ib(n);
  set<tuple<long long, int, int>> que;
  for (int ver = 0; ver < n; ver++) {
    for (int e = 0; e < deg[ver]; e++) {
      for (int i = 0; i < n; i++) {
        for (int j = 0; j < deg[i]; j++) {
          d[i][j] = inf;
        }
        ia[i] = -1;
        ib[i] = -1;
      }
      int to = g[ver][e].first;
      int w = g[ver][e].second;
      d[to][idx[to][ver]] = w;
      que.clear();
      que.emplace(d[to][idx[to][ver]], to, idx[to][ver]);
      ia[to] = idx[to][ver];
      auto Update = [&](int x, int y, long long z) {
        if (ia[x] == y || ib[x] == y) {
          que.erase(que.find({d[x][y], x, y}));
        }
        d[x][y] = z;
        if (ia[x] == y) {
          return;
        }
        if (ib[x] == y) {
          if (d[x][y] < d[x][ia[x]]) {
            swap(ia[x], ib[x]);
          }
          return;
        }
        if (ia[x] == -1) {
          ia[x] = y;
          que.emplace(d[x][y], x, y);
          return;
        }
        if (ib[x] == -1) {
          if (d[x][y] < d[x][ia[x]]) {
            swap(ia[x], ib[x]);
            ia[x] = y;
          } else {
            ib[x] = y;
          }
          que.emplace(d[x][y], x, y);
          return;
        }
        if (d[x][y] >= d[x][ia[x]] && d[x][y] < d[x][ib[x]]) {
          que.erase(que.find({d[x][ib[x]], x, ib[x]}));
          ib[x] = y;
          que.emplace(d[x][y], x, y);
          return;
        }
        if (d[x][y] < d[x][ia[x]]) {
          que.erase(que.find({d[x][ib[x]], x, ib[x]}));
          swap(ia[x], ib[x]);
          ia[x] = y;
          que.emplace(d[x][y], x, y);
        }
      };
      while (!que.empty()) {
        auto it = que.begin();
        int v = get<1>(*it);
        int lst = get<2>(*it);
        que.erase(it);
        for (int i = 0; i < deg[v]; i++) {
          if (i == lst) {
            continue;
          }
          int to = g[v][i].first;
          int w = g[v][i].second;
          if (d[to][idx[to][v]] > d[v][lst] + w) {
            Update(to, idx[to][v], d[v][lst] + w);
            assert((int) que.size() <= 2 * n);
          }
        }
      }
      for (int i = ver + 1; i < n; i++) {
        if (i == ver) {
          continue;
        }
        for (int j = 0; j < deg[i]; j++) {
          dist[ver][i][e][j] = d[i][j];
        }
      }
    }
  }
  vector<vector<vector<vector<int>>>> good(n, vector<vector<vector<int>>>(n, vector<vector<int>>(2)));
  vector<vector<int>> cc(n, vector<int>(2));
  for (int from = 0; from < n; from++) {
    for (int to = 0; to < n; to++) {
      if (from == to) {
        continue;
      }
      vector<pair<int, int>> order;
      for (int i = 0; i < deg[from]; i++) {
        for (int j = 0; j < deg[to]; j++) {
          order.emplace_back(i, j);
        }
      }
      if (from <= to) {
        sort(order.begin(), order.end(), [&](pair<int, int> a, pair<int, int> b) {
          return dist[from][to][a.first][a.second] < dist[from][to][b.first][b.second];
        });
      } else {
        sort(order.begin(), order.end(), [&](pair<int, int> a, pair<int, int> b) {
          return dist[to][from][a.second][a.first] < dist[to][from][b.second][b.first];
        });
      }
      int total = 0;
      for (auto& p : order) {
        if (cc[p.first][0] >= 2 || cc[p.second][1] >= 2) {
          continue;
        }
        good[from][to][0].push_back(p.first);
        good[from][to][1].push_back(p.second);
        cc[p.first][0] += 1;
        cc[p.second][1] += 1;
        total += 1;
        if (total >= 5) {
          break;
        }
      }
      for (int i = 0; i < deg[from]; i++) {
        cc[i][0] = 0;
      }
      for (int i = 0; i < deg[to]; i++) {
        cc[i][1] = 0;
      }
    }
  }
  vector<vector<int>> f(l);
  for (int i = 0; i < l; i++) {
    if (i > 0) {
      for (int j : good[seq[i - 1]][seq[i]][1]) {
        f[i].push_back(j);
      }
    }
    if (i + 1 < l) {
      for (int j : good[seq[i]][seq[i + 1]][0]) {
        f[i].push_back(j);
      }
    }
    sort(f[i].begin(), f[i].end());
    f[i].erase(unique(f[i].begin(), f[i].end()), f[i].end());
  }
  auto Update = [&](int i) {
    f[i].clear();
    if (i > 0) {
      for (int j : good[seq[i - 1]][seq[i]][1]) {
        f[i].push_back(j);
      }
    }
    if (i + 1 < l) {
      for (int j : good[seq[i]][seq[i + 1]][0]) {
        f[i].push_back(j);
      }
    }
    sort(f[i].begin(), f[i].end());
    f[i].erase(unique(f[i].begin(), f[i].end()), f[i].end());
  };
  vector<vector<vector<long long>>> st(4 * l);
  auto Pull = [&](int x) {
    st[x].clear();
    for (int ll = 0; ll < (int) st[x * 2].size(); ll++) {
      for (int lr = 0; lr < (int) st[x * 2][ll].size(); lr++) {
        if (st[x].empty()) {
          st[x].resize((int) st[x * 2].size());
        }
        for (int rl = 0; rl < (int) st[x * 2 + 1].size(); rl++) {
          if (st[x][ll].empty()) {
            st[x][ll] = vector<long long>((int) st[x * 2 + 1][rl].size(), inf);
          }
          if (lr == rl) {
            continue;
          }
          if (st[x * 2][ll][lr] != inf) {
            for (int rr = 0; rr < (int) st[x * 2 + 1][rl].size(); rr++) {
              st[x][ll][rr] = min(st[x][ll][rr], st[x * 2][ll][lr] + st[x * 2 + 1][rl][rr]);
            }
          }
        }
      }
    }
  };
  function<void(int, int, int)> Build = [&](int x, int l, int r) {
    if (l == r) {
      st[x].resize(f[l].size());
      for (int i = 0; i < f[l].size(); i++) {
        st[x][i] = vector<long long>(f[l + 1].size(), inf);
      }
      for (int i = 0; i < f[l].size(); i++) {
        for (int j = 0; j < f[l + 1].size(); j++) {
          if (seq[l] <= seq[l + 1]) {
            st[x][i][j] = min(st[x][i][j], dist[seq[l]][seq[l + 1]][f[l][i]][f[l + 1][j]]);
          } else {
            st[x][i][j] = min(st[x][i][j], dist[seq[l + 1]][seq[l]][f[l + 1][j]][f[l][i]]);
          }
        }
      }
      return;
    }
    int mid = l + r >> 1;
    Build(x * 2, l, mid);
    Build(x * 2 + 1, mid + 1, r);
    Pull(x);
  };
  function<void(int, int, int, int)> Modify = [&](int x, int l, int r, int p) {
    if (l == r) {
      st[x].clear();
      st[x].resize(f[l].size());
      for (int i = 0; i < f[l].size(); i++) {
        st[x][i] = vector<long long>(f[l + 1].size(), inf);
      }
      for (int i = 0; i < f[l].size(); i++) {
        for (int j = 0; j < f[l + 1].size(); j++) {
          if (seq[l] <= seq[l + 1]) {
            st[x][i][j] = min(st[x][i][j], dist[seq[l]][seq[l + 1]][f[l][i]][f[l + 1][j]]);
          } else {
            st[x][i][j] = min(st[x][i][j], dist[seq[l + 1]][seq[l]][f[l + 1][j]][f[l][i]]);
          }
        }
      }
      return;
    }
    int mid = l + r >> 1;
    if (p <= mid) {
      Modify(x * 2, l, mid, p);
    } else {
      Modify(x * 2 + 1, mid + 1, r, p);
    }
    Pull(x);
  };
  for (int i = 0; i < l; i++) {
    Update(i);
  }
  Build(1, 0, l - 2);
  auto Solve = [&]() {
    long long res = inf;
    for (int i = 0; i < st[1].size(); i++) {
      for (int j = 0; j < st[1][i].size(); j++) {
        res = min(res, st[1][i][j]);
      }
    }
    return (res == inf ? -1LL : res);
  };
  while (t--) {
    int p, x;
    cin >> p >> x;
    --p; --x;
    seq[p] = x;
    Update(p);
    if (p > 0) {
      Update(p - 1);
    }
    if (p + 1 < l) {
      Update(p + 1);
    }
    if (p <= l - 2) {
      Modify(1, 0, l - 2, p);
    }
    if (p + 1 <= l - 2) {
      Modify(1, 0, l - 2, p + 1);
    }
    if (p + 2 <= l - 2) {
      Modify(1, 0, l - 2, p + 2);
    }
    if (p > 0) {
      Modify(1, 0, l - 2, p - 1);
    }
    if (p > 1) {
      Modify(1, 0, l - 2, p - 2);
    }
    cout << Solve() << '\n';
  }
  return 0;
}

Compilation message

wild_boar.cpp: In lambda function:
wild_boar.cpp:237:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  237 |       for (int i = 0; i < f[l].size(); i++) {
      |                       ~~^~~~~~~~~~~~~
wild_boar.cpp:240:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  240 |       for (int i = 0; i < f[l].size(); i++) {
      |                       ~~^~~~~~~~~~~~~
wild_boar.cpp:241:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  241 |         for (int j = 0; j < f[l + 1].size(); j++) {
      |                         ~~^~~~~~~~~~~~~~~~~
wild_boar.cpp:251:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  251 |     int mid = l + r >> 1;
      |               ~~^~~
wild_boar.cpp: In lambda function:
wild_boar.cpp:260:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  260 |       for (int i = 0; i < f[l].size(); i++) {
      |                       ~~^~~~~~~~~~~~~
wild_boar.cpp:263:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  263 |       for (int i = 0; i < f[l].size(); i++) {
      |                       ~~^~~~~~~~~~~~~
wild_boar.cpp:264:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  264 |         for (int j = 0; j < f[l + 1].size(); j++) {
      |                         ~~^~~~~~~~~~~~~~~~~
wild_boar.cpp:274:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  274 |     int mid = l + r >> 1;
      |               ~~^~~
wild_boar.cpp: In lambda function:
wild_boar.cpp:288:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  288 |     for (int i = 0; i < st[1].size(); i++) {
      |                     ~~^~~~~~~~~~~~~~
wild_boar.cpp:289:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  289 |       for (int j = 0; j < st[1][i].size(); j++) {
      |                       ~~^~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 500 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 500 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 123 ms 40788 KB Output is correct
28 Correct 127 ms 41044 KB Output is correct
29 Correct 309 ms 80664 KB Output is correct
30 Correct 407 ms 107280 KB Output is correct
31 Correct 350 ms 97032 KB Output is correct
32 Correct 343 ms 97924 KB Output is correct
33 Correct 285 ms 69732 KB Output is correct
34 Correct 276 ms 69600 KB Output is correct
35 Correct 390 ms 100044 KB Output is correct
36 Correct 546 ms 136788 KB Output is correct
37 Correct 278 ms 71248 KB Output is correct
38 Correct 253 ms 63276 KB Output is correct
39 Correct 449 ms 126004 KB Output is correct
40 Correct 272 ms 63924 KB Output is correct
41 Correct 269 ms 64084 KB Output is correct
42 Correct 327 ms 100128 KB Output is correct
43 Correct 264 ms 61776 KB Output is correct
44 Correct 256 ms 61524 KB Output is correct
45 Correct 223 ms 63608 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 500 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 123 ms 40788 KB Output is correct
28 Correct 127 ms 41044 KB Output is correct
29 Correct 309 ms 80664 KB Output is correct
30 Correct 407 ms 107280 KB Output is correct
31 Correct 350 ms 97032 KB Output is correct
32 Correct 343 ms 97924 KB Output is correct
33 Correct 285 ms 69732 KB Output is correct
34 Correct 276 ms 69600 KB Output is correct
35 Correct 390 ms 100044 KB Output is correct
36 Correct 546 ms 136788 KB Output is correct
37 Correct 278 ms 71248 KB Output is correct
38 Correct 253 ms 63276 KB Output is correct
39 Correct 449 ms 126004 KB Output is correct
40 Correct 272 ms 63924 KB Output is correct
41 Correct 269 ms 64084 KB Output is correct
42 Correct 327 ms 100128 KB Output is correct
43 Correct 264 ms 61776 KB Output is correct
44 Correct 256 ms 61524 KB Output is correct
45 Correct 223 ms 63608 KB Output is correct
46 Correct 173 ms 16180 KB Output is correct
47 Correct 3182 ms 286292 KB Output is correct
48 Correct 3493 ms 387204 KB Output is correct
49 Correct 3867 ms 492356 KB Output is correct
50 Correct 3657 ms 467276 KB Output is correct
51 Correct 3483 ms 432948 KB Output is correct
52 Correct 3651 ms 401748 KB Output is correct
53 Correct 3636 ms 401196 KB Output is correct
54 Correct 3689 ms 401180 KB Output is correct
55 Correct 3670 ms 399348 KB Output is correct
56 Correct 3836 ms 443400 KB Output is correct
57 Correct 3982 ms 491828 KB Output is correct
58 Correct 4174 ms 539436 KB Output is correct
59 Correct 4374 ms 592476 KB Output is correct
60 Correct 4474 ms 647312 KB Output is correct
61 Correct 4753 ms 707144 KB Output is correct
62 Correct 4873 ms 772272 KB Output is correct
63 Correct 4936 ms 840444 KB Output is correct
64 Correct 3430 ms 997648 KB Output is correct
65 Correct 3330 ms 997460 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 500 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 123 ms 40788 KB Output is correct
28 Correct 127 ms 41044 KB Output is correct
29 Correct 309 ms 80664 KB Output is correct
30 Correct 407 ms 107280 KB Output is correct
31 Correct 350 ms 97032 KB Output is correct
32 Correct 343 ms 97924 KB Output is correct
33 Correct 285 ms 69732 KB Output is correct
34 Correct 276 ms 69600 KB Output is correct
35 Correct 390 ms 100044 KB Output is correct
36 Correct 546 ms 136788 KB Output is correct
37 Correct 278 ms 71248 KB Output is correct
38 Correct 253 ms 63276 KB Output is correct
39 Correct 449 ms 126004 KB Output is correct
40 Correct 272 ms 63924 KB Output is correct
41 Correct 269 ms 64084 KB Output is correct
42 Correct 327 ms 100128 KB Output is correct
43 Correct 264 ms 61776 KB Output is correct
44 Correct 256 ms 61524 KB Output is correct
45 Correct 223 ms 63608 KB Output is correct
46 Correct 173 ms 16180 KB Output is correct
47 Correct 3182 ms 286292 KB Output is correct
48 Correct 3493 ms 387204 KB Output is correct
49 Correct 3867 ms 492356 KB Output is correct
50 Correct 3657 ms 467276 KB Output is correct
51 Correct 3483 ms 432948 KB Output is correct
52 Correct 3651 ms 401748 KB Output is correct
53 Correct 3636 ms 401196 KB Output is correct
54 Correct 3689 ms 401180 KB Output is correct
55 Correct 3670 ms 399348 KB Output is correct
56 Correct 3836 ms 443400 KB Output is correct
57 Correct 3982 ms 491828 KB Output is correct
58 Correct 4174 ms 539436 KB Output is correct
59 Correct 4374 ms 592476 KB Output is correct
60 Correct 4474 ms 647312 KB Output is correct
61 Correct 4753 ms 707144 KB Output is correct
62 Correct 4873 ms 772272 KB Output is correct
63 Correct 4936 ms 840444 KB Output is correct
64 Correct 3430 ms 997648 KB Output is correct
65 Correct 3330 ms 997460 KB Output is correct
66 Correct 151 ms 63456 KB Output is correct
67 Correct 1087 ms 242188 KB Output is correct
68 Correct 2845 ms 960400 KB Output is correct
69 Correct 3408 ms 960800 KB Output is correct
70 Correct 4466 ms 1001880 KB Output is correct
71 Correct 16400 ms 279472 KB Output is correct
72 Execution timed out 18057 ms 421396 KB Time limit exceeded
73 Halted 0 ms 0 KB -